#print("hello python!")
# print("------------------------")
# print("单号:  DH201409230001")
# print("时间： 2014-09-13 08:56:00")
# print("名称          数量 单价 金额")
# print("读卡器       1 10.00 10.00")
# print("-------------------------")
# print("总数:1           金额:10.00")
# print("实收:10.00       找零:0.00")
# print("-------------------------")
num1=1
num2=5
num3=8
num1+=2
print(num1)
print(num2/2)
print(num2//2)
print(num3%4)
print(num1**2)
print(num2**1)
x='Pycham'
y='y'
z='q'
print(y in x)
print(y not in x)
print(z in x)
print(bin(num3<<4))
print(bin(num3>>2))
print(bin(num1&num3))
print(bin(num1|num3))
print(bin(num1^num3))